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Finding the Fourth Proportional to 373,126.38, 514,914.21 and 203,360.64

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Solution

The fourth proportional to 373,126.38, 514,914.21 and 203,360.64 is: 280,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,126.38 : 514,914.21 = 203,360.64 : x
  2. Step 2: Convert to fraction form
    373,126.38/514,914.21 = 203,360.64/x
  3. Step 3: Cross multiply
    373,126.38x = 514,914.21 × 203,360.64
  4. Step 4: Simplify right side
    373,126.38x = 104,713,283,290.69
  5. Step 5: Solve for x
    x = 104,713,283,290.69/373,126.38
  6. Step 6: Final answer
    x = 280,637.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.